drip upon
滴在
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Based upon field experiments, the under mulch drip irrigation regime for cotton as well as the factors referring to this regime were researched.
以田间试验为基础对棉花膜下滴灌的灌溉制度及其各因素的特点进行了分析研究。
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